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P0141 Diagnostic Trouble Code Discussion for July 2007

Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Performance

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Trouble Ticket Help Requests for DTC P0141
Help Request Posted
2001 Mercedes-Benz S430 4.3L MIL Lamp on VIN: WDBNG70J71
P0141: bank 1 sensor 2 heater ckt. ... and running poorly. the codes were P0141 B1S2 heater ckt, P0100 MAF performance, P0170, P0173. car had "autozone special" spark plugs in it and they were almost black from fuel fouling and had a definite bad MAF. replaced MAF, spark plugs, and O2 s...
July 24, 2007